<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var obj = new Object;//对象
        obj.uname = '贾俊';//属性
        obj.age = 18;
        obj.sex = '男';
        obj.sayHi =function(){//方法
            console.log('hi');
        }

        console.log(obj.uname);
        console.log(obj['sex']);
        console.log(obj.sayHi());
    </script>
</body>
</html>